i978sukhoi

#!/bin/bash

case "$1" in
    "live")
    AWS_PROFILE="--profile live ";;
    *)
    AWS_PROFILE="";;
esac

aws $AWS_PROFILE ec2 describe-instances\

i978sukhoi

object IPUtil {
    fun cidr2range(cidr: String): IntRange {
        val parts = cidr.split('/')
        val address = ip2int(parts[0])
        val mask = -0x1 shl (32 - (parts.getOrNull(1)?.toInt() ?: 0))
        return IntRange(address and mask, address or mask.inv())
    }

    fun int2ip(ip: Int) =
            String.format("%d.%d.%d.%d", ip shr 24 and 0xff, ip shr 16 and 0xff, ip shr 8 and 0xff, ip and 0xff)

i978sukhoi

import kotlin.reflect.KClass

/**
 * Bit-mask [Enum].
 *
 * use bit-mask to store [Enum] as multiple boolean flag.
 *
 * usage:
 * ```kotlin
 * enum class MyEnum(override val pos: Int) : Bitnum {

i978sukhoi

import java.util.concurrent.ConcurrentHashMap

/**
 * In-memory 초간단 캐시
 * @param defaultTtl 기본 캐시 시간. 단위: 1초
 * @param defaultIgnoreTtlOnFail 실패시 캐시가 만료됐더라도 값을 이용할지 여부. [get], [collect]에 한정.
 */
class SimpleCache<K, V>(
        private val defaultTtl: Int = 600,
        private val defaultIgnoreTtlOnFail: Boolean = false

i978sukhoi

/**
 * ```
 * val ssb = SimpleSqlBuilder(logger)
 * ssb.select("a.id, a.col1, b.col2, c.meta_val")
 *      .from("table_a as a")
 *      .join("table_b as b on b.id = a.id") // simple left join
 *      .join("table_c as c on c.parent = a.id and c.meta_key = ?", META_KEY) // condition on join clue
 *      .where("a.name = ?", "BOB") // simple clue
 *      .andIn("a.type in ?", listOf("A", "B", "C")) // translated to "a.id in ('A','B','C')"
 *      .andBetween("a.age", 20, 30) // a.age between 20 and 30